MSN的邮箱收到雅虎退信通知？

这是啥意思啊？
我用MSN的邮箱，已经跟收件人通过很多信了啊，刚才发了封邮件出去，竟然收到这个回复
第一次遇到，有经验的请帮忙看看哦。:')



Message from  yahoo.com.
Unable to deliver message to the following address(es).

<*********>:
Sorry. Although I'm listed as a best-preference MX or A for that host,
it isn't in my control/locals file, so I don't treat it as local. (#5.4.6)

Yahoo邮箱系统错误
不用理会,或者用其他邮箱和客户联系看看